page%swap@Sun.COM (Bob Page) (05/10/89)
Submitted-by: kim@uts.amdahl.com (Kim E. DeVaughn) Posting-number: Volume 89, Issue 93 Archive-name: devices/patch2090.uu1 Patch2090 will fix the problems that the CBM 2090 and 2090A disk controllers have when heavy DMA activity is present, i.e. when the display is hi-res, and 4-bit planes (16 colors) while reading from Fast Filing System (FFS) paritions. This problem is very evident with SCSI drives. NOTE: Patch2090 will only work if you have autoconfig FAST memory starting from $200000. 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